Question- a the pka value for the carboxylic acid group in, Ask an Expert

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Question- a) The pKa value for the carboxylic acid group in acetic acid is 4.75. Write the predominant structure of acetic acid at (a) pH=1, (b) pH=7, (c) pH=13.

b) Write the predominant structure of glycylglycine at (a) pH=1.5 (the approximate pH of stomach acid), and (b) pH=7.4 (normal blood pH).

Solve the above problem and provide steps with explanation

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